depositada, pelo apoio e orientação neste trabalho, por todos os conhecimentos transmitidos, por todas as experiências e oportunidades vividas no LABNUT. Muito obrigado! À minha família, por todo apoio e companheirismo em todas as etapas da minha vida, sobretudo nesta que se conclui.À minha querida Tatá, por ser essa pessoa maravilhosa, que sempre me apoiou e incentivou para a conclusão deste trabalho e, com certeza estará presente em todas as outras etapas da vida que estão por vir. Te amo gatona! Agradeço à Equipe LABNUT (professora, Cadu, João, Vitor, Esther, Samara, Lívia, Ricardo, e todos os estagiários) por toda ajuda: nas coletas, maceração, estatísticas, pelos ótimos momentos de convívio, de novelas chilenas... Ao Sérgio Teixeira de Castro, chefe do Museu Oceanográfico do IO-USP, por ceder o espaço do museu para a realização dos trabalhos de biometria e obtenção das amostras de músculos.
effects in the ichthyofauna species from polluted and non-polluted/protected estuaries of the São Paulo coast, Brazil. An Acad Bras Cienc 91: e20190066.
The construction of a data bank concerning metal and metalloid content of bioindicator fish from coastal areas is very important as it can help environmental managers in decision making. In natural conditions, the concentration of elements can be influenced by abiotic parameters such as water salinity. In this study, catfish Cathorops spixii were evaluated concerning the total arsenic (As) concentration in the muscle tissues of individuals subjected to different abiotic conditions in the Cananéia-Iguape Estuarine-Lagoon Complex (CIELC), which was recently included on the Ramsar list of wetlands of international importance. Seventy-four catfish were seasonally caught in the northern and southern regions of the CIELC and their hydrochemical parameters were obtained. C. spixii from the southern, best preserved, area showed arsenic concentrations around ten times higher than the maximum limit established for fish intended for human consumption. However, these high concentrations of arsenic could be associated with the abiotic parameters of the water, such as salinity variations, in this area.
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